Submission #12,399

2024-12-16 15:20:26

cpp17

Accepted 50/50

9ms

4160 KiB

#include <iostream>

using namespace std;

int main()
{
    int N;
    cin >> N;
    int a[N];
    a[1]=2;
    a[2]=4;
    a[3]=10;
    for (int i=4; i<=N; i++)
    {
        a[i]=(2*a[i-1]+2*a[i-3])%20210108;
    }
    cout << a[N];


    return 0;
}

	Sum	Test	Verdict		Time	Memory
base	50/50
		1	Accepted	0/0	1ms	320 KiB
		2	Accepted	0/0	1ms	320 KiB
		3	Accepted	3/3	1ms	320 KiB
		4	Accepted	3/3	1ms	320 KiB
		5	Accepted	4/4	1ms	320 KiB
		6	Accepted	4/4	1ms	320 KiB
		7	Accepted	4/4	9ms	4152 KiB
		8	Accepted	4/4	2ms	824 KiB
		9	Accepted	4/4	1ms	320 KiB
		10	Accepted	4/4	1ms	508 KiB
		11	Accepted	4/4	3ms	1080 KiB
		12	Accepted	4/4	9ms	4160 KiB
		13	Accepted	4/4	8ms	3664 KiB
		14	Accepted	4/4	4ms	1592 KiB
		15	Accepted	2/2	1ms	320 KiB
		16	Accepted	2/2	1ms	320 KiB